AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 825M

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)

416 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Released 2 years and 6 months late

Boost Clock941MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +77%

1.28 TFLOPS

GeForce 825M

0.723 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 825M

Graphics Card

Jul 2011

Release Date

Jan 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

800

Shading Units

384

40

TMUs

32

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

7.528 GPixel/s

32.00 GTexel/s

Texture Rate

30.11 GTexel/s

-

1280 GFLOPS

FP32 (float)

722.7 GFLOPS

-

FP64 (double)

30.11 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

GK208

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.02 billion

166 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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